The WhatsApp hackers still have access to huge numbers of phones because people are not updating the app

Jake Kanter

1h

An alarming number of people are failing to update WhatsApp after the Facebook-owned app was hacked, according to smartphone security firm Wandera.

Wandera could see whether the users of 300,000 devices have updated WhatsApp to patch the security vulnerability. Many had not.Just one of Wandera's business customers had 5,000 vulnerable devices on its book.

WhatsApp has said very little about a major hack this month — and it shows.

An alarming number of people are failing to update the Facebook-owned app, leaving the door open for bad actors to get their hands on personal information, including messages and data location.

That's according to research by Wandera, a smartphone security company that counts the likes of Rolex, Deloitte, General Electric, and Bloomberg among its customers.